Freight-car.



- Patented Apr. 5,1902.

FREIGHT GAB.

(Application fled. I'll. {3, 1901.)

(lo Iodel.)

zzvvmvroar A JA W1 TNESSES 5 UNITED STATES PATENT OFFICE.

FRIEDRICH NAGEL, OF ESSEN, GERMANY, ASSIGNOR TO FRIEDTKRUPP, OF

- ESSEN, GERMANY.

FREIGHT-CAR.

SPECIFICATION forming part of Letters Patent No. 697,650, dated April 15, 1902.

V Application filed January 2, 1901. Serial No. 41,851. (No model.)

T at whom it may concern: nals D by means of bolts E and correspond- Be itknown thatI, FRIEDRICH NAGEL,a citiing nuts F, with the interposition, as usual, zen of the German Empire, residing at Essenof spacing-sleeves G, so that in case of neceson-the-Ruh'r, Germany, have invented cersi'ty each individual beam can be unfastened 55 tain new and usefullmprovements in Freightindependently of the others by removing the Cars, of which the following is a specification. four bolts and a new one substituted therefor. My invention has reference to improve- It will be readily understood that a flooring ments in freight-cars, and has for its object formed as herein described possesses great to provide the car with a very durable and at advantages over and above the usual wooden 60 to the same time easily-exchangeable flooring. flooring, as the wear is but slight and repairs Heretofore wooden planks were generally can be m'ade,if at all necessary,with the greatused for the floors of freight-cars; but these est ease and with but little loss of time simrapidly wear out, particularly in cars used ply by exchanging the damaged beams for for the transportation of ores, coal, coke, and new ones and without removing the adjoin- 65 I5 the like, and are also subject to frequent ing beams. Since repairs are seldom necesdamages, so that in the course of time the resary, the iron flooring will in the end be much pairs amount to a considerable sum. Furcheaper than a wooden flooring, although its thermore, when repairs are needed the car first cost is greater. must generally be taken out of use and sent It is of course to be understood that the 70 to the repair shops, and the repairs cannot cross-section of the beams and girders is imalways be made as promptly as desired. In material, as any cross-section other than that order to obviate these objectionable features, shown may be used, while it is also evident I form the flooring by the use of iron beams. that the means for attaching the beams to The nature of my invention will best be unthe car body or frame and to the girders may 75 derstood when described in connection with be differently chosen.

the accompanying drawings, in which A What I claim as new is- Figure 1 represents a side elevation, partly 1. A railway-car having a suitable frame in vertical section, of a freight-car embodyanda removable flooring replaceable in whole ing my invention. Fig. 2 isa transverse veror in part, made up of structural iron beams 80 3o tical section with part broken away. Fig. 3 each of which is movable into and out of is a horizontal section taken directly over the place independently of the others, and each floor-beams. Fig. f is a transverse section fixed in place upon the frame of the car by drawn to a larger scale and illustrating the its own independent and readily-removable method of fastening the flooring. securing means. 85 v Similar letters of reference designate corre- 2. A flooringfor freight-cars, comprising a sponding parts throughout the several views series of iron flooring-beams, each movable of the drawings. into and out of place independently of and The general construction of the body of the without disturbing the others, and secured car, as well as the trucks, is the same as that to the frame of the car by its own independ- 0 40 now in use. The flooring, however, consists out and readily-detachable securing means. of anumber of iron beams A, preferably chan- 3. A flooring for freight-cars, comprising a nel-beams, as shown in the drawings, which series of separate and detached flooringare arranged side by side at short intervals beams, each secured in place upon the frame apart and with their edges. pointing downof the car by its own independent and read- 5 wardly. The ends of the beams rest upon ily-detachable means and each movable into angle-irons B of the car frame or body, and and out of place independently of and withbetween said angle-irons the beams rest upon out moving the remaining beams. the main girders C and the diagonals D, both 4:. In a freight-car, the combination of the of which latter are also preferably made of framing members B, O, D, forming a fixed too channel-iron. Each beam A is removably framing structure, and the floor membersA secured to the angle-irons B and the diagoformed of structural iron placed upon the framing members, each separately and demy hand in the presence of two subscribing tached from the rest and independently mov- Witnesses. able into and out of place without movin the w rest, and securing-bolts E for each sepafrate FRIEDRICH NAGLL' flooring member detachably securing said \Vitnesses:

members in place. PETER LIEBER,

In testimony whereof I have hereunto set WILLIAM ESSENWEIN. 

